Home / 20,676.96-31,017.50-6,633.48

Finding the Fourth Proportional to 20,676.96, 31,017.50 and 6,633.48

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Solution

The fourth proportional to 20,676.96, 31,017.50 and 6,633.48 is: 9,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.96 : 31,017.50 = 6,633.48 : x
  2. Step 2: Convert to fraction form
    20,676.96/31,017.50 = 6,633.48/x
  3. Step 3: Cross multiply
    20,676.96x = 31,017.50 × 6,633.48
  4. Step 4: Simplify right side
    20,676.96x = 205,753,965.90
  5. Step 5: Solve for x
    x = 205,753,965.90/20,676.96
  6. Step 6: Final answer
    x = 9,950.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.